Jobs at Djinni

We are seeking a DevOps Engineer experienced with Microsoft Azure and cloud automation. 3+ years’ hands-on DevOps and cloud infrastructure experience is required, including Kubernetes, Docker, CI/CD setup, scripting (PowerShell/Bash/CLI), and IaC tools (Terraform, ARM/Bicep). Azure certifications and security knowledge are a plus.

Requirements:

• Minimum 3 years of hands-on experience in a DevOps or similar role​
• Strong proficiency with Kubernetes and Docker​
• Practical experience with Microsoft Azure, including Azure DevOps, Azure Networking, Azure Kubernetes Service (AKS), and Azure Security​
• Demonstrated expertise with Infrastructure as Code tools (Terraform, ARM templates, Bicep)​
• CI/CD pipeline development and automation experience​
• Scripting ability (PowerShell, Azure CLI, Bash)​
• Familiarity with monitoring and logging best practices​
• Upper-Intermediate English or above

Your future role:

• Develop and maintain automated deployment and infrastructure management processes.
• Implement and support CI/CD pipelines and configuration management tools.
• Manage and optimize cloud environments (AWS, Azure, or GCP).
• Support containerization and orchestration using Docker and Kubernetes.
• Collaborate with cross-functional teams to improve system stability and delivery speed.
• Troubleshoot infrastructure and deployment issues to ensure continuous service availability.

We’re looking for a brilliant Deep Learning & Computer Vision Engineer to join our Algorithms group.

What will you do?

• Be a researcher of the core deep learning algorithms and communicate with other researchers.
• Design and implement advanced algorithms to solve complex problems.
• Developing the next generation algorithms including different CNN architectures, CV algorithms and algorithms that utilize Physics in complex environment.

Requirements

• At least 5 years’ experience as a researcher and development of deployed models.
• Strong understanding in deep-learning algorithms and computer vision.
• M.Sc. in computer science, or very experienced B.Sc Degrees Online 2025 - Best Course After 12th . or Engineering, or a related technical field.
• Experience in Python & PyTorch or other machine learning frameworks and mathematical modelling.
• Good communication skills, self-motivated, proactive, flexible and passionate about learning.
• Focused on end-to-end delivery of solutions for real world scenario in challenging timeframe.

Join a team that's redefining banking technology!

Our client isn't a typical Swiss bank — it's a modern financial institution focused on delivering cutting-edge online trading and financial services. Unlike traditional banks weighed down by legacy systems, their tech stack is lean and innovative.

The team builds products that transform complex, fragmented risk data into clear, actionable insights, enabling smarter and faster decisions to reduce risk. We focus on core business areas such as account risk and work closely with key stakeholders - Risk department, Compliance department, and the Middle Office Fraud Center — to deliver impactful solutions.

You'll be part of a Scrum team of four, collaborating daily with stakeholders through stand-ups, status updates, and Agile ceremonies. We embrace best practices and modern communication tools: Zoom, Teams, Outlook, JIRA, Confluence, and more.

We continuously evolve our solutions to atomic microservices and self-contained systems, based on dockerized environments with CI and CD.

What we offer:
Professional Growth: access to local trainings, on-demand webinars, interactive workshops, and support for conferences and certifications.

Competitive Compensation: Regular annual reviews based on your performance and professional development.

Work-Life Balance & Fun: Team-building activities, corporate events, hackathons, and a variety of engaging initiatives.

If you're proactive, creative, and ready for new challenges, join us! Together, we'll enhance product quality and optimize processes while driving innovation.

Responsibilities

Overall responsibility for a team, its performance

Driving the Scrum processes, coaching the team, driving improvements

Contributing towards the technical direction of the products by being involved in technical design and delivery of components

Identifying potential risks and escalating to the manager and client

Communicating and interacting effectively with other Team Leads

Participation in meetings with the client (Stand Ups, Grooming, Planning, Demo, Retro, and other ad-hoc ones)

Requirements refinement, Sprint planning, and task estimation

Application development

Developing unit/integration tests, E2E, ensuring good development testing coverage

Lead a team of 3 developers

Participate in peer design and code reviews

Evaluate and adopt new development tools, libraries, and approaches to improve delivery quality

Skills

Must have

1+ year in Team Lead position [fresh experience during last 5 years]

At least 5+ years of proven experience in a Software Developer position

Java core, Java 11-17+ features

OOP/OOD knowledge, design patterns

HTML, CSS, JavaScript

Proven knowledge of ReactJS, Redux or Angular [2+ fresh years of proven experience]

Unit testing frameworks (JUnit, Mockito, etc.), experience of integration and E2E tests building

Spring framework, IOC

RESTfull services

Java-based application servers (e.g. Tomcat)

SQL knowledge, any RDBMS, Oracle/PostgreSQL is a plus

ORM, Hibernate in particular

CI tools experience (Jenkins)

Docker

Nice to have

Education: Bachelor's / Master's degree in computer science or computer engineering

Experience in finance/banking business domain

Unix usage experience

Kafka

Java 17+

WebSocket

TypeScript

We’re looking for a senior Project Recruiter to join us on a full-time, project-based contract and manage the end-to-end recruitment process for product and engineering roles.
 

What you’ll do

• Own the full recruitment lifecycle: sourcing → interviews → offers
• Proactively source and engage engineering and product candidates
• Conduct HR and initial screening interviews
• Coordinate interviews and hiring decisions with US-based stakeholders
• Manage recruitment operations: pipelines, scheduling, candidate communication
• Continuously improve hiring processes by bringing ideas and challenging assumptions

• Push hiring forward, unblock issues, and get things done
   

   

What we’re looking for

• Senior-level recruiting experience in product / tech companies
• Proven experience hiring engineers and product professionals
• Strong, hands-on understanding of US hiring and expectations
• Fluent English; confident running live calls with US teams and candidates
• Passionate about recruitment and genuinely driven to find the right people
• Relentless, proactive, and ownership-driven
• Fast learner, adaptable, and comfortable working independently
• Availability to work US-aligned hours (12:00–20:00 or 13:00–21:00 UA time)
•  

Compensation

• Base salary + pay per hire

   

Senior Mobile Developer

Description

We are on a mission to redefine consumer cybersecurity for the modern internet.

We operate at consumer scale, protecting millions of people every day across devices, accounts, and digital touchpoints. In a world where phishing, fraud, and AI-powered scams evolve overnight.

We move fast, think deeply, and build with purpose. Our culture is rooted in transparency, feedback, and collaboration along with shared wins, team dinners, company trips, and good times.

We’re a team of 100+ makers, doers, and boundary-breakers. If you’re ready to tackle meaningful challenges, grow at lightning speed, and help shape the next frontier of online safety, you belong here.

We are looking for a Senior Mobile Developer to join our R&D department.

You will:

· Join a core team of experienced developers building production-grade services, data solutions, infrastructure and more.

· Own the design, architecture, quality, and measurability of complex product solutions.

· Collaborate with our technical leadership to deliver innovation and bring new ideas to life.

Nice! Am I the right fit?

Hard to tell. Our guess is you have a high chance of fitting in if you check as many of these as possible:

· 4+ years experience with React-Native in production.

· Deep knowledge of Javascript/Typescript and Python.

· Experience with developing high-quality customer-facing apps, with attention to performance & design.

· Smart, problem-solver, loves getting their hands dirty!

· Track record in bringing projects from "initial commit" to production.

· Working with Swift\ Kotlin - BONUS.

· Understanding of the web cyber-security landscape, vulnerabilities, and attack surfaces - BONUS.

· Knowledge of relational and NoSQL databases.

· BigQuery, MySQL, or Redis - BONUS

Talk nerdy to me.

Don't mind if we do. Our tech stack:

· React and React-Native using TypeScript.

· Python.

· GoogleCloud using K8S.

· MySQL + Redis + BigQuery.

· Thinking of a great addition? Let's do it.

Infomir is an international group of companies specialising in the production of industrial and consumer electronics. We develop and manufacture high-tech solutions for Internet TV, smart lighting, measuring equipment, and industrial 3D printing. With its main production facility in Ukraine and offices and distribution centres in the UAE, Germany, Switzerland, the USA, Romania, and Estonia, Infomir provides efficient logistics worldwide.

Behind the company’s success and ambitions is a strong team of professionals. Today, Infomir employs more than 300 people, and the company continues to scale up by attracting talented specialists and investing in the latest technologies.

We are currently looking for a Embedded С/С++ developer (Middle) whose main responsibilities will include: 

Responsibilities:

• Development of low-level and embedded software in C/C++ for microcontroller-based systems.
• Design and implementation of software architecture for embedded modules from scratch or as part of product improvement.
• Development of auxiliary software for production, testing, diagnostics, and internal tooling.
• Implementation and adaptation of communication protocols for embedded systems.
• Analysis of technical documentation, standards, and hardware specifications.

• Participation in system-level design of hardware-software solutions.Support and improvement of existing firmware and tools.

   

Requirements:

• Strong knowledge of C/C++ with a focus on embedded and low-level development.
• Practical experience in firmware development for embedded systems.
• Experience working with different microcontrollers (e.g. STM32 or similar).
• Ability to analyze requirements and design technical solutions, not just implement predefined tasks.
• Experience with communication protocols (Bluetooth, LoRaWAN, NB-IoT, or similar).

• Experience in network and multithreaded programming.

   

Nice to have:

• Experience with CMake, Ninja.
• Background in R&D environments or product development from early stages.

• Experience working with custom hardware or prototypes.

   

We offer:

• Work in an internationally growing company.
• A comfortable office in Odessa, equipped with a shelter.
• Official employment with stable pay and all the guarantees of a Dija.City resident.
• Hybrid work schedule.
• English language courses.
• Professional team.

• Training in the corporate table tennis team.

   

If you meet these criteria and would like to join our team, please send us your CV.

Essential Expertise:

• At least 3 years of experience managing affiliate programs as a manager or team lead
• Experience in OTA, airline sales, or travel-related industries is highly preferred
• Strong understanding of performance marketing, CPA models, and attribution principles
• Hands-on experience with affiliate platforms (CJ, FlexOffers are a strong plus)
• Solid analytical mindset with the ability to interpret performance data and draw actionable conclusions (report creation is not required)
• Confident conversational English for daily communication with international partners
• Strong negotiation skills with the ability to maximize partner performance and build win-win relationships

• Knowledge of compliance standards, brand safety, and affiliate best practices
   

   

Key Contributions:

• Grow affiliate channel profitability with a clear focus on profit, qualified leads, and new connected affiliates as core KPIs
• Recruit, onboard, and activate new high-quality affiliate partners aligned with company goals
• Optimize partner performance through continuous testing, negotiation, and relationship management
• Build long-term, trust-based relationships with key strategic affiliates
• Provide clear performance insights and recommendations to leadership based on data analysis
• Collaborate with marketing and product teams to align affiliate initiatives with overall business strategy

• Participate in international industry exhibitions and conferences 2–4 times per year (all business trips are fully covered)
   

   

Distinctive Advantages:

• Opportunity to grow into a Head of Affiliate / Lead role within 9–12 months based on performance
• Work on travel and aviation-related products with strong international exposure
• Stable position with competitive salary and full benefits package
• Paid business trips to major affiliate and travel industry events
• Professional growth through hands-on experience with large-scale partner networks
• Supportive team environment focused on long-term collaboration and results

📍 Ukraine (Kyiv / Lviv / Remote)
⚠️ We consider candidates located in Ukraine only

We are looking for a Senior Data Scientist who enjoys solving complex ML problems, working with large datasets, and delivering models that directly impact real business metrics.

This is not a research-only role. Your models will go to production and influence real decisions.

What you will do

• Build and deploy supervised and reinforcement learning models
• Optimize ad targeting and campaign effectiveness
• Perform deep data analysis and feature engineering
• Apply optimization algorithms (linear / non-linear / combinatorial)
• Improve accuracy, scalability, and performance of existing models
• Work closely with engineering to integrate models into production
• Monitor and troubleshoot deployed solutions
• Communicate insights to product and business teams
• Mentor junior data scientists

Requirements

• 5+ years of experience in Data Science / Machine Learning
• Strong experience with supervised learning
• Hands-on reinforcement learning experience
• Solid understanding of optimization techniques
• Python
• SQL and relational databases
• scikit-learn / TensorFlow / PyTorch
• pandas / NumPy
• Production mindset and ownership

Nice to have

• OpenAI Gym or other RL frameworks
• AWS
• MLOps practices (Docker, CI/CD, versioning, Kubernetes)
• Experience with large-scale production systems

Soft skills

• Strong analytical thinking
• Clear communication
• Ability to work independently
• Prioritization in fast-paced environments
• Mentorship experience

 

Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with the organization of the first Data Science UA conference, setting the foundation for our growth. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the role:
We are looking for a Computer Vision / Machine Learning Engineer to develop offline CV models for industrial visual inspection.

Your main task will be to design, train, and evaluate models on inspection data in order to:

• Improve discrimination between good vs. defect samples
• Provide insights into key defect categories (e.g., terminal electrode irregularities, surface chipping)
• Significantly reduce false-positive rates, optimizing for either precision, or recall
• Prepare the solution for future deployment, scaling, and maintenance
•  

Key Responsibilities:
Data Analysis & Preparation
- Conduct dataset audits, including class balance checks and sample quality reviews
- Identify low-frequency defect classes and outliers
- Design and implement augmentation strategies for rare defects and edge cases
Model Development & Evaluation
- Train deep-learning models on inspection images for defect detection
- Use modern computer vision / deep learning frameworks (e.g., PyTorch, TensorFlow)
- Evaluate models using confusion matrices, ROC curves, precision–recall curves, F1 scores and other relevant metrics
- Analyze false positives/false negatives and propose thresholds or model improvements
Reporting & Communication
- Prepare clear offline performance reports and model evaluation summaries
- Explain classifier decisions, limitations, and reliability in simple, non-technical language when needed
- Provide recommendations for scalable deployment in later phases (e.g., edge / on-prem inference, integration patterns)

Candidate Requirements:
Must-have:
- 1-2 years of hands-on experience with computer vision and deep learning (classification, detection, or segmentation)
- Strong proficiency in Python and at least one major DL framework (PyTorch or TensorFlow/Keras)
- Solid understanding of:

• Image preprocessing and augmentation techniques
• Classification metrics: accuracy, precision, recall, F1, confusion matrix, ROC, PR curves
• Handling imbalanced datasets and low-frequency classes

- Experience training and evaluating offline models on real production or near-production datasets
- Ability to structure and document experiments, compare baselines, and justify design decisions
- Strong analytical and problem-solving skills; attention to detail in data quality and labelling
- Good communication skills in English (written and spoken) to interact with internal and client stakeholders

Nice-to-have:
- Experience with industrial / manufacturing computer vision (AOI, quality inspection, defect detection, etc.)
- Familiarity with ML Ops/deployment concepts (ONNX, TensorRT, Docker, REST APIs, edge devices)
- Experience working with time-critical or high-throughput inspection systems
- Background in electronics, semiconductors, or similar domains is an advantage
- Experience preparing client-facing reports and presenting technical results to non-ML audiences

We offer:
- Free English classes with a native speaker and external courses compensation;
- PE support by professional accountants;
- 40 days of PTO;
- Medical insurance;
- Team-building events, conferences, meetups, and other activities;
- There are many other benefits you’ll find out at the interview.

Proxy-Seller is a proxy infrastructure company transitioning to Enterprise. We serve hundreds of thousands of users and are building dedicated B2B content for technical and business audiences.

We're looking for a Senior Content Manager to lead B2B content creation. You'll write for data engineers, DevOps, security teams, and C-level decision-makers — translating complex proxy infrastructure into clear, compelling content. This is a senior IC role with a clear path to Head of Content.

The Role

• Focus: B2B content for Enterprise sales and thought leadership
• Audiences: Technical (engineers, DevOps) + Business (VP Data, CTO, Procurement)
• Formats: case studies, whitepapers, technical guides, comparison articles, landing pages
• Team: work with SEO team (4 people), PMM, freelance writers
• Growth path: Senior Content Manager → Head of Content as team scales
• Reports to: CMO

Requirements

• 4+ years content marketing in B2B tech/SaaS
• Excellent written English — C1+ / near-native (primary content for US/EU audiences)
• Proven ability to write for both technical audiences (engineers) and business leaders (VP, C-level)
• Portfolio with B2B tech content: case studies, whitepapers, technical guides
• Experience managing freelance writers (briefing, feedback, quality control)
• Data-driven: analyze performance, optimize based on metrics
• Strategic thinking — not just execution, but content strategy development
• Comfortable with AI tools for research, drafting, optimization
• Self-starter — can work independently with minimal supervision

Nice to Have

• Experience in proxy/data infrastructure/API/scraping/cybersecurity
• Technical background or ability to quickly grasp technical concepts
• Experience creating content for Enterprise sales cycles (long-form, multi-stakeholder)
• Video scripts, webinar content, podcast experience
• Basic design skills (Figma, Canva) for content visualization

Responsibilities

• Create B2B content: case studies, whitepapers, solution briefs, technical blog posts, landing pages
• Write for dual audiences: technical depth for engineers, business value for decision-makers
• Develop and manage editorial calendar aligned with marketing and sales priorities
• Conduct customer interviews for case studies and testimonials
• Collaborate with PMM on sales enablement materials
• Work with SEO team on content optimization and keyword strategy
• Manage freelance writers: briefing, editing, quality control
• Repurpose content across channels and formats

What We Offer

• Full-time remote, flexible schedule
• Clear growth path: Senior Content Manager → Head of Content
• Shape B2B content strategy from the ground up
• Direct impact on pipeline and revenue
• Education budget (courses, certifications, corporate English)
• PTO: 14 vacation days + 5 days off + 7 sick days + public holidays
• Equipment provided after probation

*We usually review applications within 3−5 business days
We share feedback if we’re able to move forward together. If this role isn’t the right match for now, we’ll keep your resume in our database and gladly reach out when a suitable opportunity comes up

If you like continuous growth and complicated challenges then Proxy-Seller is the way to go! Looking forward to your application

About us:
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with the organization of the first Data Science UA conference, setting the foundation for our growth. Over the past 9 years, we have diligently fostered the largest Data Science Community in Eastern Europe, boasting a network of over 30,000 AI top engineers.

About the client:
We are working with a new generation of data service provider, specializing in data consulting and data-driven digital marketing, dedicated to transforming data into business impact across the entire value chain of organizations. The company’s data-driven services are built upon the deep AI expertise the company’s acquired with a 1000+ client base around the globe. The company has 1000 employees across 20 offices who are focused on accelerating digital transformation.

About the role:
We are seeking a Senior Data Engineer (Azure) to design and maintain data pipelines and systems for analytics and AI-driven applications. You will work on building reliable ETL/ELT workflows and ensuring data integrity across the organization.

Required skills:
- 6+ years of experience as a Data Engineer, preferably in Azure environments.
- Proficiency in Python, SQL, NoSQL, and Cypher for data manipulation and querying.
- Hands-on experience with Airflow and Azure Data Services for pipeline orchestration.
- Strong understanding of data modeling, ETL/ELT workflows, and data warehousing concepts.
- Experience in implementing DataOps practices for pipeline automation and monitoring.
- Knowledge of data governance, data security, and metadata management principles.
- Ability to work collaboratively with data science and analytics teams.
- Excellent problem-solving and communication skills.

Responsibilities:
- Transform data into formats suitable for analysis by developing and maintaining processes for data transformation;
- Structuring, metadata management, and workload management.
- Design, implement, and maintain scalable data pipelines on Azure.
- Develop and optimize ETL/ELT processes for various data sources.
- Collaborate with data scientists and analysts to ensure data readiness.
- Monitor and improve data quality, performance, and governance.

About us:
Data Science UA is a service company with strong data science and AI expertise. Our journey began in 2016 with uniting top AI talents and organizing the first Data Science tech conference in Kyiv. Over the past 9 years, we have diligently fostered one of the largest Data Science & AI communities in Europe.

About the client:
Our client is an IT company that develops technological solutions and products to help companies reach their full potential and meet the needs of their users. The team comprises over 600 specialists in IT and Digital, with solid expertise in various technology stacks necessary for creating complex solutions.

About the role:
We are looking for a Data Engineer (NLP-Focused) to build and optimize the data pipelines that fuel the Ukrainian LLM and NLP initiatives. In this role, you will design robust ETL/ELT processes to collect, process, and manage large-scale text and metadata, enabling the Data Scientists and ML Engineers to develop cutting-edge language models.

You will work at the intersection of data engineering and machine learning, ensuring that the datasets and infrastructure are reliable, scalable, and tailored to the needs of training and evaluating NLP models in a Ukrainian language context.

Requirements:
- Education & Experience: 3+ years of experience as a Data Engineer or in a similar role, building data-intensive pipelines or platforms. A Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field is preferred. Experience supporting machine learning or analytics teams with data pipelines is a strong advantage.
- NLP Domain Experience: Prior experience handling linguistic data or supporting NLP projects (e.g., text normalization, handling different encodings, tokenization strategies). Knowledge of Ukrainian text sources and data sets, or experience with multilingual data processing, can be an advantage given the project’s focus.
Understanding of FineWeb2 or a similar processing pipeline approach.
- Data Pipeline Expertise: Hands-on experience designing ETL/ELT processes, including extracting data from various sources, using transformation tools, and loading into storage systems. Proficiency with orchestration frameworks like Apache Airflow for scheduling workflows. Familiarity with building pipelines for unstructured data (text, logs) as well as structured data.
- Programming & Scripting: Strong programming skills in Python for data manipulation and pipeline development. Experience with NLP packages (spaCy, NLTK, langdetect, fasttext, etc.). Experience with SQL for querying and transforming data in relational databases. Knowledge of Bash or other scripting for automation tasks. Writing clean, maintainable code and using version control (Git) for collaborative development.
- Databases & Storage: Experience working with relational databases (e.g., PostgreSQL, MySQL), including schema design and query optimization. Familiarity with NoSQL or document stores (e.g., MongoDB) and big data technologies (HDFS, Hive, Spark) for large-scale data is a plus. Understanding of or experience with vector databases (e.g., Pinecone, FAISS) is beneficial, as the NLP applications may require embedding storage and fast similarity search.
- Cloud Infrastructure: Practical experience with cloud platforms (AWS, GCP, or Azure) for data storage and processing. Ability to set up services such as S3/Cloud Storage, data warehouses (e.g., BigQuery, Redshift), and use cloud-based ETL tools or serverless functions. Understanding of infrastructure-as-code (Terraform, CloudFormation) to manage resources is a plus.
- Data Quality & Monitoring: Knowledge of data quality assurance practices. Experience implementing monitoring for data pipelines (logs, alerts) and using CI/CD tools to automate pipeline deployment and testing. An analytical mindset to troubleshoot data discrepancies and optimize performance bottlenecks.
- Collaboration & Domain Knowledge: Ability to work closely with data scientists and understand the requirements of machine learning projects. Basic understanding of NLP concepts and the data needs for training language models, so you can anticipate and accommodate the specific forms of text data and preprocessing they require. Good communication skills to document data workflows and to coordinate with team members across different functions.

Nice to have:
- Advanced Tools & Frameworks: Experience with distributed data processing frameworks (such as Apache Spark or Databricks) for large-scale data transformation, and with message streaming systems (Kafka, Pub/Sub) for real-time data pipelines. Familiarity with data serialization formats (JSON, Parquet) and handling of large text corpora.
- Web Scraping Expertise: Deep experience in web scraping, using tools like Scrapy, Selenium, or Beautiful Soup, and handling anti-scraping challenges (rotating proxies, rate limiting). Ability to parse and clean raw text data from HTML, PDFs, or scanned documents.
- CI/CD & DevOps: Knowledge of setting up CI/CD pipelines for data engineering (using GitHub Actions, Jenkins, or GitLab CI) to test and deploy changes to data workflows. Experience with containerization (Docker) to package data jobs and with Kubernetes for scaling them is a plus.
- Big Data & Analytics: Experience with analytics platforms and BI tools (e.g., Tableau, Looker) used to examine the data prepared by the pipelines. Understanding of how to create and manage data warehouses or data marts for analytical consumption.
- Problem-Solving: Demonstrated ability to work independently in solving complex data engineering problems, optimizing existing pipelines, and implementing new ones under time constraints. A proactive attitude to explore new data tools or techniques that could improve the workflows.

Responsibilities:
- Design, develop, and maintain ETL/ELT pipelines for gathering, transforming, and storing large volumes of text data and related information.
- Ensure pipelines are efficient and can handle data from diverse sources (e.g., web crawls, public datasets, internal databases) while maintaining data integrity.
- Implement web scraping and data collection services to automate the ingestion of text and linguistic data from the web and other external sources. This includes writing crawlers or using APIs to continuously collect data relevant to the language modeling efforts.
- Implementation of NLP/LLM-specific data processing: cleaning and normalization of text, like filtering of toxic content, de-duplication, de-noising, detection, and deletion of personal data.
- Formation of specific SFT/RLHF datasets from existing data, including data augmentation/labeling with LLM as teacher.
- Set up and manage cloud-based data infrastructure for the project. Configure and maintain data storage solutions (data lakes, warehouses) and processing frameworks (e.g., distributed compute on AWS/GCP/Azure) that can scale with growing data needs.
- Automate data processing workflows and ensure their scalability and reliability.
- Use workflow orchestration tools like Apache Airflow to schedule and monitor data pipelines, enabling continuous and repeatable model training and evaluation cycles.
- Maintain and optimize analytical databases and data access layers for both ad-hoc analysis and model training needs.
- Work with relational databases (e.g., PostgreSQL) and other storage systems to ensure fast query performance and well-structured data schemas.
- Collaborate with Data Scientists and NLP Engineers to build data features and datasets for machine learning models.
- Provide data subsets, aggregations, or preprocessing as needed for tasks such as language model training, embedding generation, and evaluation.
- Implement data quality checks, monitoring, and alerting. Develop scripts or use tools to validate data completeness and correctness (e.g., ensuring no critical data gaps or anomalies in the text corpora), and promptly address any pipeline failures or data issues. Implement data version control.
- Manage data security, access, and compliance.
- Control permissions to datasets and ensure adherence to data privacy policies and security standards, especially when dealing with user data or proprietary text sources.

The company offers:
- Competitive salary.
- Equity options in a fast-growing AI company.
- Remote-friendly work culture.
- Opportunity to shape a product at the intersection of AI and human productivity.
- Work with a passionate, senior team building cutting-edge tech for real-world business use.

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
 

❗️Please note that this role is office-based for Spain.

❗️If you need to be relocated, we take care of the process.
 

✅ Requirements:

✔️Strong knowledge of JavaScript and the ECMAScript 6 standards;

✔️5+ years of commercial experience with Node.js and Nest.js;

✔️5+ years of commercial experience in web development;

✔️Commercial experience of working with high-load SQL or NoSQL databases;

✔️Commercial experience of implementing the REST, GraphQL, and WebSockets;

✔️Understanding of the TDD principles and experience of writing tests;

✔️Understanding of microservice architecture principles;

✔️Experience of GIT version control system;

✔️Experience with RabbitMQ;

✔️Experience with Redis;

✔️Experience with databases MongoDB, MySQL;

✔️At least an Intermediate level of English.
 

✅ Will be a plus:

✔️2+ years of hands-on experience developing over CI/CD/Micro Services architecture/Containers;

✔️Experience with Kubernetes;

✔️Experience with Nats;

✔️Experience with TypeScript.
 

✅ Duties and opportunities:

✔️In-house platform development;

✔️3rd party API integrations;

✔️Actively participate in developing new features from scratch.

✅ We offer excellent benefits, including but not limited to:

🧑🏻‍💻 Learning and development opportunities and interesting, challenging tasks;
📝 Official employment following Spain/EU laws, including registration of family members;
✈️ Relocation package (flight tickets + 2-week hotel stay);
📚 Language development support and partial compensation for classes;
🎁 Birthday celebration gift;
🏝 23 working days of Annual Vacation for proper rest;

🏋️‍♂️Social Club and more than 50 events per year - coming soon;

⚖️ Competitive remuneration level with annual review;

🏄🏻‍♂️ Teambuilding activities.
 

Bold moves start here. Make yours. Apply today! 

Revenue Grid is a product-based B2B SaaS company with Ukrainian roots and a global footprint. We build an AI-driven Revenue Intelligence Platform used by thousands of sales teams across the US and Europe to automate sales workflows and prevent revenue leaks.

As we continue to scale out our platform and expand AI-powered modules, we’re looking for a Senior Full-Stack Developer who can confidently own frontend tasks while deeply understanding backend architecture and product logic.

This role is ideal for a senior engineer who wants to influence the product, work across the full stack, and collaborate closely with Product and Engineering teams.

Why this role might be a great fit

• You’ll work on a mature, growing B2B SaaS product with real users and real impact
• You’ll own features end-to-end — from idea and design to implementation and release
• Strong focus on frontend development, with meaningful backend involvement
• Opportunity to influence architecture and technical decisions
• Low bureaucracy, high ownership, and a culture of trust and accountability
• A team that values clarity, proactivity, and engineering excellence

Your Responsibilities

• Own frontend development (~70% of the workload), while contributing to backend development (~30%) to ensure well-designed, scalable, and product-oriented features
• Develop and maintain frontend functionality using React, TypeScript, and modern state management
• Participate in backend development using .NET / .NET Core and related technologies
• Work on integrations with external services and APIs
• Develop and support Chrome Extensions
• Collaborate closely with Product, Design, and Architecture teams
• Continuously improve performance, stability, and code quality across the system
• Own features throughout the full product lifecycle — from concept to release and support

Requirements

• Strong experience with TypeScript / JavaScript
• Solid knowledge of React and state management patterns (Redux / FLUX)
• Experience working with HTML5, CSS3
• Experience with modern frontend tooling and build systems: Vite / Webpack / esbuild; npm / yarn / pnpm; linting, formatting, and code quality tools
• Strong backend expertise with .NET / .NET Core
• Proficiency in C#, ASP.NET, WebAPI
• Experience applying IoC / DI principles
• Hands-on experience with Entity Framework
• Strong SQL skills (MS SQL)
• Experience in designing and consuming RESTful services
• Experience deploying and running applications on Kubernetes
• Understanding of containerization (Docker)
• Experience with Microsoft Azure
• Hands-on experience with Office 365 / Microsoft Graph API
• Experience working with Microsoft Exchange, including Exchange Web Services (EWS)
• Experience developing Chrome Extensions
• Familiarity with WebRTC APIs / protocols
• Ability to work across frontend and backend, owning features end-to-end
• Product-oriented mindset and strong problem-solving skills
• English at intermediate+ level for daily communication

Nice to have

• Experience with ML / NLP platforms or AI-powered product modules
• Background in CRM, ERP, or B2B SaaS products
• Experience working with complex, long-living enterprise systems
• Understanding of scalability, performance optimization, and system design

What you get

• Remote-first work model — from anywhere in Europe
• Contract via Ukrainian FOP or standard B2B
• A global product with tens of thousands of active users
• Skilled teammates who value your input and expertise
• Unlimited vacation policy — we trust responsible adults
• High-quality medical insurance
• Stability, transparency, and long-term collaboration

If you’re looking for a senior full-stack role with real product impact, we’d love to hear from you. Join us in building the future of AI-driven revenue intelligence.

Who we are 

We are a Ukrainian multiproduct company that creates database development and management tools, connectivity solutions, productivity tools, and data services for more than 500.000 clients from 120 countries. Among our clients, you can find such legends as Microsoft Corporation, Oracle America, IBM, Intel, and many more companies that deserve their place in the Fortune 100 and Fortune 500.

Since 1997, we have been streamlining data workflows for professionals and teams with our intuitive and efficient software products. We’re committed to enhancing our customers’ experience across the globe by minimizing data-related tasks and enabling them to focus on more inspiring goals. Whether it’s Fortune-100 companies or individuals, we provide a customer-centric approach, delivering high-quality solutions and exceptional support.

Driven by passion, we play a substantial role in shaping the future of data management.

Product that needs your engagement 

As a part of our Core Business Unit, you will be engaged in working with various product lines of our Company.

Core BU is a fundamental group of service departments that helps to manage smooth and seamless work of all other business units, departments and teams, being a glue that holds us together.

Your future team of professionals 

You will join the IT Department, which brings together the Head of IT, a Technical Lead, three System Administrators, a DevOps Engineer, and a Security Engineer to ensure the stability, scalability, and security of our infrastructure.

Your future challenges

The System Administrator is responsible for the stable operation of Devart’s user and test IT environments, ensuring reliable support for employees, infrastructure, and internal IT processes. The role combines operational support, workstation administration, and responsibility for executing and coordinating multi-level onboarding and offboarding processes, including access and equipment management.

Working within a product-focused company environment, the specialist supports the preparation and maintenance of test environments for internal teams, ensures the proper operation of various operating systems and software, and performs initial diagnostics of infrastructure-related issues.

The position involves close collaboration with the IT team and business units, participation in internal IT projects, and a gradual expansion of responsibilities as technical expertise grows.

Impact you will make 

IT Support & HelpDesk (L1—L2):

• Handling user requests, diagnosing issues, and resolving incidents.
• Escalating complex issues and tracking their resolution.
• Providing user support in accordance with SLA requirements.

Identity & Endpoint Administration:

• Managing users and access rights in Microsoft Entra ID and Active Directory.
• Handling employee onboarding and offboarding processes.
• Full administration of Windows workstations, with additional support for macOS and Linux.

Virtualization & Test Environments:

• Working with local and server-side virtualization.
• Preparing and providing test environments for internal product teams.
• Configuring various OS and software setups for product testing.

Monitoring & Infrastructure:

• Participating in infrastructure and environment monitoring.
• Performing initial issue diagnostics and collaborating with relevant specialists.

IT Assets & Internal Projects:

• Maintaining IT asset inventory and managing the equipment lifecycle.
• Procuring, preparing, and distributing hardware.
• Participating in internal IT projects and process improvement initiatives.

Skills we are looking for 

• 3+ years of experience as a System Administrator / HelpDesk (L1.5—L2).
• Strong Windows administration skills, with confident support of user and test environments.
• Hands-on experience with Microsoft Entra ID and Active Directory.
• Required experience with virtualization, both local (desktop) and server-side.
• Solid knowledge of networking: LAN, Wi-Fi, VPN, DNS, DHCP, and network troubleshooting.
• Experience in preparing and supporting test environments (OS, software, configurations).
• Nice-to-have experience with databases (understanding core principles, basic operations).
• Experience working with ITSM systems (Jira Service Management or similar).
• Strong sense of ownership, structured thinking, and the ability to work effectively with users and development teams.

Benefits you get

• Maintain your work-life balance

Manage your own working hours with our flexible schedule

19 days of annual vacation granted on a pro-rata basis

No overtimes required

• Hybrid type of cooperation

Whether you prefer to work remotely in the comfort of your home office or from one of our 4 offices, you can still take part in increasing the world`s awareness about quality Ukrainian products from any part of the world

• Stay healthy

Medical insurance from one of the top insurance companies in Ukraine with a wide range of included services, as well as special programs for relatives; and special options for those who live abroad.

15 working days of sick leave per year — because your health is a priority.

• Grow with us

In-house English courses — increase your proficiency through our online courses and speaking clubs with a native speaker

Online learning activities — workshops, lectures, and webinars to enhance your leadership, management, and self-awareness skills

Experience exchange — we are proud of our team of professionals who gladly share their deep expertise in all kinds of fields with the rest of the team

Promotions, rotations, and transitions — when you believe your skills could benefit a different role or team.

• Stand with Ukraine!

We have an active pro-Ukrainian position, and that means we help our army, our servicemen, and their families not only through constant donations and volunteering, but also through our military leave policy, special health insurance options, and financial help

We are a perfect match if you share our values

We are professionals in our field.

We know how to turn up our professionalism to the maximum, because we are experts who enjoy solving complex tasks.

We know how to focus on the product, think big, and at the same time delve deep into the details.

We create a calm and friendly atmosphere within the company.

We value the freedom of open and transparent communications.

Radical honesty is embedded in the foundation of our culture.

We are open to new things and constantly develop and practice regular knowledge sharing, which helps us evolve continuously.

Most importantly, the company creates an environment where we can fulfill our potential upon a solid foundation.

Our Hiring Process

• Recruitment Interview
• Technical Interview
• Offer Call

We strive to ensure transparency and openness in the hiring process, and we understand the importance of providing timely feedback. If your resume meets the job requirements, we will contact you to clarify details and schedule an interview within 2 weeks after your application is submitted.

The timeframe for feedback between interview stages may take up to 2 weeks.